/Engine/Source/Runtime/InteractiveToolsFramework/Public/BaseGizmos/CombinedTransformGizmo.h
BydefaultCreateNewGizmoActor()returns a default Gizmo Actor suitable for a three-axis transformation Gizmo, override this function to customize the Actor sub-elements.
class FCombinedTransformGizmoActorFactory
ETransformGizmo...
EnableElements
Only these members of theACombinedTransformGizmoActorgizmo will be initialized
UGizmoViewConte...
GizmoViewContext
The default gizmos that we use need to have the current view information stored for them via the ITF context store so that they can figure out how big they are for hit testing, so this pointer needs to be set (and kept alive elsewhere) for the actor factory to work properly.